• Code: 351
• Description: ID sensor Vsg test error
  When the ID sensor was checked, the ID sensor output voltage is 5.0V while the LED current value is 0.
• Causes: • ID sensor defective or dirty • ID sensor connector defective • Poor ID sensor connection • I/O board (IOB) defective • Scanning system defective • High voltage supply board defective • Defect at the ID sensor pattern writing area of the drum

• Code: 355
• Description: Grayscale measurement error
  When the grayscale control result is the maximum and it does not operate correctly and these cases are detected 15 times.
• Causes: • ID sensor defective or dirty • The life of ID sensor or photo conductor • Shield glass dirty

• Code: 360
• Description: TD sensor (Vt) error 1
  The following condition occurs thirty times consecutively during printing. Vt is less than 0.5V or 4.8V or more
• Causes: • TD sensor disconnected • Harness between TD sensor and PCDU defective • Defective TD sensor.

• Code: 372
• Description: TD sensor adjustment error
  Vts is less than 1.8V or 4.8V or more during TD sensor initialization.
• Causes: • Heat seal not removed from a new developer pack • TD harness sensor disconnected, loose or defective • TD sensor defective • Harness between TD sensor and drawer disconnected, defective

• Code: 396
• Description: Drum motor error
  The machine detects a lock signal error from the drum motor for 2 seconds after the drum motor turned on.
• Causes: • Overload on the motor • Defective drum motor • Defective harness • Defective IOB

• Code: 400
• Description: Vsg adjustment error
  Vsg is more than 4.2V or 3.8V or less when the machine adjusts Vsg value.
• Causes: • Dirty or defective ID sensor • Defective ID sensor shutter

• Code: 440
• Description: Transfer belt bias error
  The feed back bias from the transfer belt is more than 4V for 60 msec while the transfer belt bias is output. The A/D conversion level is 20 or less for 60 msec. The PWM duty is 24% or more for 60 msec.
• Causes: • Power pack broken • Defective harness • Disconnected connector

• Code: 441
• Description: Transfer/Development motor error
  The machine detects a lock signal error from the transfer/development motor for 2 seconds after the transfer/development motor turned on.
• Causes: • Overload on the motor • Defective transfer/development motor • Defective harness • Defective IOB